From: Mark Salter <msalter@redhat.com>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-serial@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org,
jcm@redhat.com, torez@redhat.com, lv.zheng@intel.com
Subject: Re: [Linaro-acpi] [RFC 3/5] acpi/serial: add DBG2 earlycon support
Date: Tue, 08 Sep 2015 13:53:27 -0400 [thread overview]
Message-ID: <1441734807.5459.18.camel@redhat.com> (raw)
In-Reply-To: <20150908171744.GQ10728@bivouac.eciton.net>
On Tue, 2015-09-08 at 18:17 +0100, Leif Lindholm wrote:
> > > */
> > > - if (!buf || !buf[0])
> > > - if (IS_ENABLED(CONFIG_OF_FLATTREE))
> > > + if (!buf || !buf[0]) {
> > > + if (!acpi_disabled)
> >
> > How do we know for sure that "acpi" has been parsed before "earlycon"?
>
> Because "arch" comes before "drivers" in kernel image link order.
> *twitch*
> Yes, not the best argument ever.
>
I don't think that matters. Things are parsed in order they are
found on cmdline (except for early vs late distinction).
WARNING: multiple messages have this Message-ID (diff)
From: msalter@redhat.com (Mark Salter)
To: linux-arm-kernel@lists.infradead.org
Subject: [Linaro-acpi] [RFC 3/5] acpi/serial: add DBG2 earlycon support
Date: Tue, 08 Sep 2015 13:53:27 -0400 [thread overview]
Message-ID: <1441734807.5459.18.camel@redhat.com> (raw)
In-Reply-To: <20150908171744.GQ10728@bivouac.eciton.net>
On Tue, 2015-09-08 at 18:17 +0100, Leif Lindholm wrote:
> > > */
> > > - if (!buf || !buf[0])
> > > - if (IS_ENABLED(CONFIG_OF_FLATTREE))
> > > + if (!buf || !buf[0]) {
> > > + if (!acpi_disabled)
> >
> > How do we know for sure that "acpi" has been parsed before "earlycon"?
>
> Because "arch" comes before "drivers" in kernel image link order.
> *twitch*
> Yes, not the best argument ever.
>
I don't think that matters. Things are parsed in order they are
found on cmdline (except for early vs late distinction).
next prev parent reply other threads:[~2015-09-08 17:53 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-08 12:43 [RFC 0/5] console/acpi: add DBG2 and SPCR console configuration Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
2015-09-08 12:43 ` [RFC 1/5] arm64: move acpi/dt decision earlier in boot process Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
2015-09-08 12:43 ` [RFC 2/5] of/serial: move earlycon early_param handling to serial Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
[not found] ` <1441716217-23786-3-git-send-email-leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-09-08 12:52 ` Mark Rutland
2015-09-08 12:52 ` Mark Rutland
2015-09-08 12:52 ` Mark Rutland
2015-09-08 16:45 ` Leif Lindholm
2015-09-08 16:45 ` Leif Lindholm
2015-09-08 12:43 ` [RFC 3/5] acpi/serial: add DBG2 earlycon support Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
2015-09-08 13:09 ` Mark Rutland
2015-09-08 13:09 ` Mark Rutland
2015-09-08 17:03 ` Leif Lindholm
2015-09-08 17:03 ` Leif Lindholm
2015-09-08 17:03 ` Leif Lindholm
2015-09-09 9:36 ` Mark Rutland
2015-09-09 9:36 ` Mark Rutland
2015-09-08 16:38 ` [Linaro-acpi] " Mark Salter
2015-09-08 16:38 ` Mark Salter
2015-09-08 17:17 ` Leif Lindholm
2015-09-08 17:17 ` Leif Lindholm
[not found] ` <20150908171744.GQ10728-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
2015-09-08 17:40 ` Mark Salter
2015-09-08 17:40 ` Mark Salter
2015-09-08 17:40 ` Mark Salter
2015-09-08 17:53 ` Mark Salter [this message]
2015-09-08 17:53 ` Mark Salter
2015-09-08 12:43 ` [RFC 4/5] tty/console: use SPCR table to define console Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
2015-09-10 15:28 ` [Linaro-acpi] " Mark Salter
2015-09-10 15:28 ` Mark Salter
[not found] ` <1441716217-23786-1-git-send-email-leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-09-08 12:43 ` [RFC 5/5] HACK: serial: move pl011 initcall to device_initcall Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
2015-09-08 12:43 ` Leif Lindholm
2015-09-08 12:56 ` Mark Rutland
2015-09-08 12:56 ` Mark Rutland
2015-09-08 16:55 ` Leif Lindholm
2015-09-08 16:55 ` Leif Lindholm
2015-09-08 16:55 ` Leif Lindholm
2015-09-23 7:38 ` [RFC 0/5] console/acpi: add DBG2 and SPCR console configuration Ming Lei
2015-09-23 7:38 ` Ming Lei
2015-09-23 15:45 ` G Gregory
2015-09-23 15:45 ` G Gregory
2016-01-12 15:14 ` Christopher Covington
2016-01-12 15:14 ` Christopher Covington
2016-01-13 0:07 ` Al Stone
2016-01-13 0:07 ` Al Stone
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